Massachusetts Arbovirus Surveillance- Mosquitoes

2011 Summary

During 2011, positive mosquito samples were found in, Berkshire, Bristol, Dukes, Essex, Hampden, Hampshire, Middlesex, Norfolk, Plymouth, Suffolk, and Worcester counties. Scroll to the appropriate county to view details on the WNV and EEE virus positive mosquito samples collected in each town in 2011.

Berkshire County

City or Town / Date Collected / Species / Virus Result
Sheffield / 9/2/2011 / Culex pipiens/restuans complex / WNV

Bristol County

City or Town / Date Collected / Species / Virus Result
Acushnet / 9/23/2011 / Culex pipiens/restuans complex / WNV
Attleboro / 7/29/2011 / Culex pipiens/restuans complex / WNV
Berkley / 9/13/2011 / Culiseta melanura / WNV
Berkley / 9/13/2011 / Culiseta melanura / EEE
Berkley / 9/13/2011 / Aedes vexans / WNV
Berkley / 9/13/2011 / Culiseta melanura / WNV
Berkley / 8/10/2011 / Culiseta melanura / EEE
Dighton / 8/26/2011 / Culiseta melanura / EEE
Dighton / 8/26/2011 / Aedes vexans / EEE
Dighton / 9/14/2011 / Culiseta melanura / EEE
Easton / 8/8/2011 / Culiseta melanura / EEE
Easton / 8/2/2011 / Culex pipiens/restuans complex / WNV
Easton / 8/8/2011 / Culiseta melanura / EEE
Easton / 9/12/2011 / Culiseta melanura / EEE
Easton / 8/8/2011 / Culiseta melanura / EEE
Easton / 8/8/2011 / Culiseta melanura / EEE
Easton / 8/8/2011 / Culiseta melanura / EEE
Easton / 8/15/2011 / Culiseta melanura / WNV
Freetown / 8/19/2011 / Culiseta melanura / EEE
Freetown / 8/19/2011 / Culiseta melanura / WNV
Freetown / 8/19/2011 / Culiseta melanura / EEE
Freetown / 8/25/2011 / Culiseta melanura / EEE
Freetown / 8/25/2011 / Culiseta melanura / WNV
Freetown / 8/24/2011 / Culiseta melanura / WNV
Freetown / 8/19/2011 / Culiseta melanura / EEE
Freetown / 9/9/2011 / Culiseta melanura / WNV
Freetown / 9/14/2011 / Culiseta melanura / EEE
Freetown / 7/29/2011 / Culiseta melanura / WNV
Freetown / 9/7/2011 / Culiseta melanura / WNV
Mansfield / 8/26/2011 / Culex pipiens/restuans complex / WNV
New Bedford / 8/10/2011 / Culex pipiens/restuans complex / WNV
New Bedford / 8/4/2011 / Culex pipiens/restuans complex / WNV
New Bedford / 9/26/2011 / Culiseta melanura / EEE
New Bedford / 8/25/2011 / Culex pipiens/restuans complex / WNV
New Bedford / 8/25/2011 / Culex pipiens/restuans complex / WNV
New Bedford / 8/26/2011 / Culex pipiens/restuans complex / WNV
New Bedford / 9/1/2011 / Culex pipiens/restuans complex / WNV
New Bedford / 9/13/2011 / Culex pipiens/restuans complex / WNV
New Bedford / 9/13/2011 / Culex pipiens/restuans complex / WNV
New Bedford / 9/13/2011 / Culex pipiens/restuans complex / WNV
New Bedford / 8/25/2011 / Culex pipiens/restuans complex / WNV
Norton / 8/26/2011 / Culex pipiens/restuans complex / EEE
Raynham / 8/8/2011 / Culiseta melanura / EEE
Raynham / 8/8/2011 / Culiseta melanura / EEE
Raynham / 8/1/2011 / Culiseta melanura / EEE
Raynham / 8/8/2011 / Culiseta melanura / EEE
Raynham / 8/8/2011 / Culiseta melanura / EEE
Raynham / 8/8/2011 / Culiseta melanura / EEE
Raynham / 8/15/2011 / Coquillettidia perturbans / EEE
Raynham / 8/15/2011 / Culiseta melanura / EEE
Raynham / 8/15/2011 / Culiseta melanura / WNV
Raynham / 8/22/2011 / Culiseta melanura / EEE
Raynham / 8/22/2011 / Culiseta melanura / EEE
Raynham / 8/22/2011 / Coquillettidia perturbans / EEE
Rehoboth / 8/30/2011 / Culiseta melanura / EEE
Rehoboth / 8/22/2011 / Culiseta melanura / EEE
Seekonk / 9/14/2011 / Culex species / WNV
Swansea / 8/11/2011 / Culex species / WNV
Swansea / 9/15/2011 / Culex pipiens/restuans complex / WNV

Dukes

City or Town / Date Collected / Species / Virus Result
Tisbury / 7/25/2011 / Culex pipiens/restuans complex / WNV

Essex County

City or Town / Date Collected / Species / Virus Result
Andover / 8/10/2011 / Culex pipiens/restuans complex / WNV
Andover / 8/10/2011 / Culex pipiens/restuans complex / WNV
Boxford / 8/31/2011 / Culiseta melanura / WNV
Boxford / 8/3/2011 / Culex pipiens/restuans complex / WNV
Boxford / 9/14/2011 / Culiseta melanura / WNV
Danvers / 9/7/2011 / Culex pipiens/restuans complex / WNV
Georgetown / 9/7/2011 / Culex pipiens/restuans complex / WNV
Georgetown / 9/12/2011 / Culex pipiens/restuans complex / WNV
Haverhill / 8/17/2011 / Culex pipiens/restuans complex / WNV
Haverhill / 9/7/2011 / Culex pipiens/restuans complex / WNV
Ipswich / 8/31/2011 / Culex pipiens/restuans complex / WNV
Ipswich / 9/5/2011 / Culex pipiens/restuans complex / WNV
Ipswich / 9/15/2011 / Culex pipiens/restuans complex / WNV
Ipswich / 9/15/2011 / Culex pipiens/restuans complex / WNV
Lawrence / 9/7/2011 / Culex pipiens/restuans complex / WNV
Lawrence / 9/7/2011 / Culex pipiens/restuans complex / WNV
Lynn / 8/21/2011 / Culex pipiens/restuans complex / WNV
Lynn / 8/3/2011 / Culex pipiens/restuans complex / WNV
Lynn / 9/7/2011 / Culex pipiens/restuans complex / WNV
Lynn / 8/21/2011 / Culex pipiens/restuans complex / WNV
Lynn / 8/21/2011 / Culex pipiens/restuans complex / WNV
Marblehead / 9/21/2011 / Culex pipiens/restuans complex / WNV
Merrimac / 9/14/2011 / Culiseta melanura / WNV
Methuen / 9/7/2011 / Culex pipiens/restuans complex / WNV
Methuen / 8/17/2011 / Culex pipiens/restuans complex / WNV
Methuen / 8/31/2011 / Culex salinarius / WNV
Methuen / 8/17/2011 / Ochlerotatus japonicus / WNV
Methuen / 8/17/2011 / Culex pipiens/restuans complex / WNV
Nahant / 8/21/2011 / Culex pipiens/restuans complex / WNV
Nahant / 8/24/2011 / Culex pipiens/restuans complex / WNV
Nahant / 8/21/2011 / Culex pipiens/restuans complex / WNV
Newburyport / 8/24/2011 / Culex pipiens/restuans complex / WNV
North Andover / 8/17/2011 / Culex pipiens/restuans complex / WNV
North Andover / 8/3/2011 / Culex pipiens/restuans complex / WNV
Peabody / 9/28/2011 / Culex pipiens/restuans complex / WNV
Rowley / 10/5/2011 / Culiseta melanura / WNV
Salem / 9/5/2011 / Culex pipiens/restuans complex / WNV
Salem / 9/12/2011 / Culex pipiens/restuans complex / WNV
Salem / 9/12/2011 / Culex pipiens/restuans complex / WNV
Saugus / 8/10/2011 / Culex pipiens/restuans complex / WNV
Saugus / 7/25/2011 / Culex pipiens/restuans complex / WNV
Saugus / 7/25/2011 / Culex pipiens/restuans complex / WNV
Saugus / 8/17/2011 / Culex pipiens/restuans complex / WNV
Saugus / 8/21/2011 / Culex pipiens/restuans complex / WNV
Saugus / 7/25/2011 / Culex pipiens/restuans complex / WNV
Saugus / 8/21/2011 / Culex pipiens/restuans complex / WNV
Swampscott / 8/24/2011 / Culex pipiens/restuans complex / WNV
Swampscott / 8/21/2011 / Culex pipiens/restuans complex / WNV
Swampscott / 8/31/2011 / Culex pipiens/restuans complex / WNV
Topsfield / 9/14/2011 / Culiseta melanura / WNV
Topsfield / 9/7/2011 / Culex pipiens/restuans complex / WNV
Topsfield / 9/7/2011 / Culiseta melanura / WNV
Wenham / 9/7/2011 / Culex pipiens/restuans complex / WNV
West Newbury / 9/21/2011 / Culex pipiens/restuans complex / WNV

Hampden County

City or Town / Date Collected / Species / Virus Result
Holyoke / 7/29/2011 / Culex pipiens/restuans complex / WNV

Hampshire County

City or Town / Date Collected / Species / Virus Result
Northampton / 8/26/2011 / Culex pipiens/restuans complex / WNV

Middlesex County

City or Town / Date Collected / Species / Virus Result
Acton / 8/25/2011 / Culex species / WNV
Acton / 7/28/2011 / Culex species / WNV
Arlington / 8/25/2011 / Culex pipiens/restuans complex / WNV
Arlington / 8/4/2011 / Culex pipiens/restuans complex / WNV
Belmont / 8/11/2011 / Culex pipiens/restuans complex / WNV
Belmont / 9/13/2011 / Culex pipiens/restuans complex / WNV
Billerica / 9/7/2011 / Culex species / WNV
Burlington / 8/11/2011 / Culex pipiens/restuans complex / WNV
Cambridge / 9/13/2011 / Culex pipiens/restuans complex / WNV
Chelmsford / 9/7/2011 / Coquillettidia perturbans / WNV
Chelmsford / 9/7/2011 / Culex species / WNV
Dracut / 8/19/2011 / Culex species / WNV
Dracut / 8/9/2011 / Culex species / WNV
Hopkinton / 10/4/2011 / Culiseta melanura / EEE
Hudson / 9/23/2011 / Culex species / WNV
Malden / 8/4/2011 / Culex pipiens/restuans complex / WNV
Malden / 8/4/2011 / Culex pipiens/restuans complex / WNV
Malden / 8/18/2011 / Culex pipiens/restuans complex / WNV
Medford / 8/18/2011 / Culex pipiens/restuans complex / WNV
Medford / 8/4/2011 / Culex pipiens/restuans complex / WNV
Melrose / 8/18/2011 / Culex pipiens/restuans complex / WNV
Natick / 8/12/2011 / Culex species / WNV
Newton / 8/23/2011 / Culex pipiens/restuans complex / WNV
Newton / 9/13/2011 / Culex pipiens/restuans complex / WNV
Sherborn / 9/15/2011 / Culiseta melanura / EEE
Sudbury / 9/27/2011 / Culiseta melanura / EEE
Tewksbury / 8/23/2011 / Culex species / WNV
Waltham / 8/23/2011 / Culex pipiens/restuans complex / WNV
Watertown / 7/26/2011 / Culex pipiens/restuans complex / WNV
Wayland / 8/30/2011 / Culex pipiens/restuans complex / WNV
Westford / 8/10/2011 / Culex species / WNV

Norfolk County

City or Town / Date Collected / Species / Virus Result
Avon / 9/1/2011 / Culex pipiens/restuans complex / WNV
Brookline / 7/13/2011 / Culex pipiens/restuans complex / WNV
Brookline / 9/28/2011 / Culex pipiens/restuans complex / WNV
Brookline / 8/3/2011 / Culex pipiens/restuans complex / WNV
Brookline / 8/10/2011 / Culex pipiens/restuans complex / WNV
Brookline / 8/3/2011 / Culex pipiens/restuans complex / WNV
Brookline / 7/27/2011 / Culex pipiens/restuans complex / WNV
Brookline / 8/31/2011 / Culex pipiens/restuans complex / WNV
Brookline / 9/28/2011 / Culex pipiens/restuans complex / WNV
Cohasset / 7/19/2011 / Culex pipiens/restuans complex / WNV
Dedham / 9/1/2011 / Culex pipiens/restuans complex / WNV
Dedham / 8/4/2011 / Culex pipiens/restuans complex / WNV
Dedham / 8/17/2011 / Culex pipiens/restuans complex / WNV
Dedham / 8/11/2011 / Culex pipiens/restuans complex / WNV
Dedham / 8/11/2011 / Culex pipiens/restuans complex / WNV
Dedham / 8/17/2011 / Culex pipiens/restuans complex / WNV
Dedham / 8/4/2011 / Culex pipiens/restuans complex / WNV
Dedham / 8/25/2011 / Culex pipiens/restuans complex / WNV
Dedham / 8/4/2011 / Culex pipiens/restuans complex / WNV
Dedham / 7/27/2011 / Culex pipiens/restuans complex / WNV
Dedham / 7/27/2011 / Culex pipiens/restuans complex / WNV
Dedham / 7/27/2011 / Culex pipiens/restuans complex / WNV
Dedham / 7/21/2011 / Culex pipiens/restuans complex / WNV
Dedham / 7/14/2011 / Culex pipiens/restuans complex / WNV
Dedham / 8/4/2011 / Culex pipiens/restuans complex / WNV
Dover / 8/4/2011 / Culex pipiens/restuans complex / WNV
Dover / 8/25/2011 / Culex pipiens/restuans complex / WNV
Franklin / 8/25/2011 / Culex pipiens/restuans complex / WNV
Holbrook / 8/11/2011 / Culex pipiens/restuans complex / WNV
Holbrook / 8/25/2011 / Culiseta melanura / EEE
Medway / 9/1/2011 / Culex pipiens/restuans complex / WNV
Medway / 9/14/2011 / Culex pipiens/restuans complex / EEE
Medway / 8/25/2011 / Culex pipiens/restuans complex / WNV
Medway / 9/14/2011 / Culex pipiens/restuans complex / WNV
Medway / 9/14/2011 / Culiseta melanura / EEE
Medway / 9/14/2011 / Culex pipiens/restuans complex / EEE
Milton / 9/14/2011 / Culex pipiens/restuans complex / WNV
Needham / 8/11/2011 / Culex pipiens/restuans complex / WNV
Needham / 7/21/2011 / Culex pipiens/restuans complex / WNV
Norwood / 7/27/2011 / Culex pipiens/restuans complex / WNV
Norwood / 8/25/2011 / Culex pipiens/restuans complex / WNV
Norwood / 9/1/2011 / Culex pipiens/restuans complex / WNV
Plainville / 9/26/2011 / Culiseta melanura / WNV
Quincy / 9/14/2011 / Culex pipiens/restuans complex / WNV
Quincy / 9/14/2011 / Culex pipiens/restuans complex / WNV
Quincy / 7/27/2011 / Culex pipiens/restuans complex / WNV
Quincy / 7/21/2011 / Culex pipiens/restuans complex / WNV
Quincy / 7/14/2011 / Culex pipiens/restuans complex / WNV
Quincy / 7/21/2011 / Culex pipiens/restuans complex / WNV
Quincy / 8/4/2011 / Culex pipiens/restuans complex / WNV
Quincy / 8/4/2011 / Culex pipiens/restuans complex / WNV
Quincy / 8/25/2011 / Culex pipiens/restuans complex / WNV
Quincy / 8/11/2011 / Culex pipiens/restuans complex / WNV
Quincy / 9/1/2011 / Culex pipiens/restuans complex / WNV
Quincy / 8/4/2011 / Culex pipiens/restuans complex / WNV
Randolph / 9/8/2011 / Culex pipiens/restuans complex / WNV
Sharon / 9/14/2011 / Culiseta melanura / EEE
Sharon / 9/26/2011 / Culiseta melanura / WNV
Sharon / 8/25/2011 / Culiseta melanura / EEE
Sharon / 9/14/2011 / Ochlerotatus canadensis / EEE
Sharon / 9/14/2011 / Culiseta melanura / EEE
Sharon / 9/14/2011 / Ochlerotatus canadensis / EEE
Walpole / 9/1/2011 / Culex pipiens/restuans complex / WNV
Westwood / 8/17/2011 / Culex pipiens/restuans complex / WNV
Westwood / 8/11/2011 / Culex pipiens/restuans complex / WNV
Westwood / 8/25/2011 / Culex pipiens/restuans complex / WNV
Weymouth / 9/21/2011 / Culiseta melanura / WNV
Weymouth / 8/25/2011 / Culex pipiens/restuans complex / WNV
Weymouth / 9/21/2011 / Culiseta melanura / EEE
Weymouth / 9/1/2011 / Culex pipiens/restuans complex / WNV

Plymouth County

City or Town / Date Collected / Species / Virus Result
Abington / 9/16/2011 / Culiseta melanura / WNV
Abington / 8/9/2011 / Culex pipiens/restuans complex / WNV
Bridgewater / 9/13/2011 / Culiseta melanura / WNV
Bridgewater / 8/9/2011 / Culiseta melanura / EEE
Bridgewater / 8/9/2011 / Culiseta melanura / EEE
Bridgewater / 8/9/2011 / Coquillettidia perturbans / EEE
Bridgewater / 8/9/2011 / Ochlerotatus canadensis / EEE
Bridgewater / 8/17/2011 / Coquillettidia perturbans / EEE
Bridgewater / 7/19/2011 / Culiseta melanura / EEE
Brockton / 8/2/2011 / Culex pipiens/restuans complex / WNV
Brockton / 8/2/2011 / Culex pipiens/restuans complex / WNV
Brockton / 8/2/2011 / Culex pipiens/restuans complex / EEE
Carver / 8/18/2011 / Culiseta melanura / EEE
Carver / 8/18/2011 / Coquillettidia perturbans / EEE
Halifax / 9/8/2011 / Culiseta melanura / EEE
Halifax / 9/8/2011 / Culiseta melanura / WNV
Hanover / 10/20/2011 / Culiseta melanura / EEE
Hanson / 9/7/2011 / Ochlerotatus canadensis / EEE
Hanson / 9/7/2011 / Culiseta melanura / EEE
Kingston / 9/14/2011 / Culiseta melanura / EEE
Lakeville / 9/6/2011 / Culiseta melanura / EEE
Lakeville / 9/26/2011 / Culiseta melanura / WNV
Mattapoisett / 9/7/2011 / Culiseta melanura / WNV
Mattapoisett / 8/23/2011 / Culex pipiens/restuans complex / WNV
Middleborough / 8/17/2011 / Culiseta melanura / EEE
Middleborough / 8/9/2011 / Culiseta melanura / EEE
Middleborough / 8/9/2011 / Culex pipiens/restuans complex / WNV
Middleborough / 8/9/2011 / Culex pipiens/restuans complex / WNV
Middleborough / 8/23/2011 / Culex species / EEE
Middleborough / 8/17/2011 / Culiseta melanura / EEE
Middleborough / 8/23/2011 / Culiseta melanura / EEE
Middleborough / 8/23/2011 / Culiseta melanura / EEE
Middleborough / 8/23/2011 / Coquillettidia perturbans / EEE
Middleborough / 8/23/2011 / Coquillettidia perturbans / EEE
Middleborough / 8/23/2011 / Culex species / EEE
Middleborough / 8/23/2011 / Culex species / WNV
Middleborough / 8/17/2011 / Culiseta melanura / EEE
Plympton / 8/24/2011 / Culiseta melanura / EEE
Rockland / 8/19/2011 / Culiseta melanura / EEE
West Bridgewater / 8/30/2011 / Culex pipiens/restuans complex / WNV
West Bridgewater / 8/2/2011 / Culex species / EEE
West Bridgewater / 8/9/2011 / Culiseta melanura / EEE
West Bridgewater / 8/17/2011 / Culex pipiens/restuans complex / EEE
West Bridgewater / 8/9/2011 / Culiseta melanura / EEE
West Bridgewater / 8/17/2011 / Culiseta melanura / EEE
West Bridgewater / 8/9/2011 / Coquillettidia perturbans / EEE
Whitman / 8/2/2011 / Culex pipiens/restuans complex / WNV

Suffolk County